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  1. Web-Technologien für Entwickler
  2. Web APIs
  3. Window
  4. length
    • English (US)
    • Français
    • 日本語
    • 한국어
    • Português (do Brasil)
    • Русский
    • 中文 (简体)

Experiment: Dieser Inhalt wurde automatisch aus dem Englischen übersetzt, und kann Fehler enthalten.

In diesem Artikel

  • Wert
  • Beispiele
  • Spezifikationen
  • Browser-Kompatibilität
  1. Window
  2. Instanzeigenschaften
    1. caches
    2. closed
    3. console
    4. cookieStore
    5. credentialless
    6. crossOriginIsolated
    7. crypto
    8. customElements
    9. devicePixelRatio
    10. document
    11. documentPictureInPicture
    12. event
    13. external
    14. fence
    15. frameElement
    16. frames
    17. fullScreen
    18. history
    19. indexedDB
    20. innerHeight
    21. innerWidth
    22. isSecureContext
    23. launchQueue
    24. length
    25. localStorage
    26. location
    27. locationbar
    28. menubar
    29. mozInnerScreenX
    30. mozInnerScreenY
    31. name
    32. navigation
    33. navigator
    34. opener
    35. orientation
    36. origin
    37. originAgentCluster
    38. outerHeight
    39. outerWidth
    40. parent
    41. performance
    42. personalbar
    43. scheduler
    44. screen
    45. screenLeft
    46. screenTop
    47. screenX
    48. screenY
    49. scrollbars
    50. scrollMaxX
    51. scrollMaxY
    52. scrollX
    53. scrollY
    54. self
    55. sessionStorage
    56. sharedStorage
    57. speechSynthesis
    58. status
    59. statusbar
    60. toolbar
    61. top
    62. trustedTypes
    63. visualViewport
    64. window
  3. Instanzmethoden
    1. alert()
    2. atob()
    3. back()
    4. blur()
    5. btoa()
    6. cancelAnimationFrame()
    7. cancelIdleCallback()
    8. captureEvents()
    9. clearImmediate()
    10. clearInterval()
    11. clearTimeout()
    12. close()
    13. confirm()
    14. createImageBitmap()
    15. dump()
    16. fetch()
    17. find()
    18. focus()
    19. forward()
    20. getComputedStyle()
    21. getDefaultComputedStyle()
    22. getScreenDetails()
    23. getSelection()
    24. matchMedia()
    25. moveBy()
    26. moveTo()
    27. open()
    28. postMessage()
    29. print()
    30. prompt()
    31. queryLocalFonts()
    32. queueMicrotask()
    33. releaseEvents()
    34. reportError()
    35. requestAnimationFrame()
    36. requestFileSystem()
    37. requestIdleCallback()
    38. resizeBy()
    39. resizeTo()
    40. scroll()
    41. scrollBy()
    42. scrollByLines()
    43. scrollByPages()
    44. scrollTo()
    45. setImmediate()
    46. setInterval()
    47. setResizable()
    48. setTimeout()
    49. showDirectoryPicker()
    50. showModalDialog()
    51. showOpenFilePicker()
    52. showSaveFilePicker()
    53. sizeToContent()
    54. stop()
    55. structuredClone()
    56. updateCommands()
    57. webkitConvertPointFromNodeToPage()
    58. webkitConvertPointFromPageToNode()
  4. Events
    1. afterprint
    2. appinstalled
    3. beforeinstallprompt
    4. beforeprint
    5. beforeunload
    6. blur
    7. copy
    8. cut
    9. devicemotion
    10. deviceorientation
    11. deviceorientationabsolute
    12. error
    13. focus
    14. gamepadconnected
    15. gamepaddisconnected
    16. hashchange
    17. languagechange
    18. load
    19. message
    20. messageerror
    21. offline
    22. online
    23. orientationchange
    24. pagehide
    25. pagereveal
    26. pageshow
    27. pageswap
    28. paste
    29. popstate
    30. rejectionhandled
    31. resize
    32. scrollsnapchange
    33. scrollsnapchanging
    34. storage
    35. unhandledrejection
    36. unload
    37. vrdisplayactivate
    38. vrdisplayconnect
    39. vrdisplaydeactivate
    40. vrdisplaydisconnect
    41. vrdisplaypresentchange
  5. Vererbung
    1. EventTarget

In diesem Artikel

  • Wert
  • Beispiele
  • Spezifikationen
  • Browser-Kompatibilität

Window: length-Eigenschaft

Gibt die Anzahl der Frames (entweder <frame> oder <iframe> Elemente) im Fenster zurück.

Wert

Eine Zahl.

Beispiele

js
if (window.length) {
  // this is a document with subframes
}

Spezifikationen

Specification
HTML Standard
# dom-length-dev

Browser-Kompatibilität

BCD tables only load in the browser

MDN-Feedback-Box

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